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Related papers: Improved limits on gamma ray burst repetition

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Repeating fast radio bursts (FRBs) present excellent opportunities to identify FRB progenitors and host environments, as well as decipher the underlying emission mechanism. Detailed studies of repeating FRBs might also hold clues to the…

Determining the kinds of gamma-ray bursts (GRBs) has been of interest to astronomers for many years. We analyzed 1599 GRBs from the Burst and Transient Source Experiment (BATSE) 4Br catalogue using $t$-mixtures-model-based clustering on all…

High Energy Astrophysical Phenomena · Physics 2018-09-28 Souradeep Chattopadhyay , Ranjan Maitra

Fast radio bursts (FRBs) are commonly classified into repeating and apparently nonrepeating sources, yet whether this distinction reflects intrinsically different physical populations remains uncertain. Using the Second CHIME/FRB Catalog,…

High Energy Astrophysical Phenomena · Physics 2026-03-16 Wan-Peng Sun , Yin-Long Cao , Yong-Kun Zhang , Ji-Guo Zhang , Xiaohui Liu , Yichao Li , Fu-Wen Zhang , Wan-Ting Hou , Jing-Fei Zhang , Xin Zhang

Two classes of gamma-ray bursts have been identified in the BATSE catalogs characterized by durations shorter and longer than about 2 seconds. There are, however, some indications for the existence of a third class. Swift satellite…

Astrophysics · Physics 2008-10-01 I. Horvath , L. G. Balazs , Z. Bagoly , P. Veres

Simulations in the GUSBAD Catalog of gamma-ray bursts suggest that the apparent duration of a burst decreases as its amplitude is decreased. We see no evidence for this effect in the BATSE catalog. We show that for a burst at the detection…

Astrophysics · Physics 2010-11-11 Maarten Schmidt

The recent discovery of a supernova (SN 1998bw) seemingly associated with GRB~980425 adds a new twist to the decades-old debate over the origin of gamma-ray bursts. To investigate the possibility that some (or all) bursts are associated…

We studied the complete randomness of the angular distribution of gamma-ray bursts (GRBs) detected by BATSE. Since GRBs seem to be a mixture of objects of different physical nature we divided the BATSE sample into 5 subsamples (short1,…

Astrophysics · Physics 2009-11-13 R. Vavrek , L. G. Balázs , A. Mészáros , I. Horváth , Z. Bagoly

The anisotropy of the sky distribution of 2025 gamma-ray bursts (GRBs) collected in Current BATSE catalog is confirmed. It is shown that the quadrupole term being proportional to $\sim \sin 2b \sin l$ is non-zero with a probability 99.9%.…

Astrophysics · Physics 2009-10-31 L. G. Balazs , A. Meszaros , I. Horvath , R. Vavrek

Fast radio bursts (FRBs) are extremely strong radio flares lasting several milliseconds, most of which come from unidentified objects at a cosmological distance. They can be apparently repeating or not. In this paper, we analyzed 18…

BATSE, Ulysses, and TGRS and KONUS on WIND detected four gamma-ray events within 1.8 days during 1996 October 27-29, consistent with coming from the same location on the sky. We assess the evidence that these events may be due to a series…

Astrophysics · Physics 2009-10-30 Carlo Graziani , Donald Q. Lamb , Jean M. Quashnock

A multivariate analysis of gamma-ray burst (GRB) bulk properties is presented to discriminate between distinct classes of GRBs. Several variables representing burst duration, fluence and spectral hardness are considered. Two multivariate…

In this paper, we present a sample of 21 repeating fast radio bursts (FRBs) detected by different radio instruments before September 2021. Using the Anderson--Darling test, we compared the distributions of extra-Galactic dispersion measure…

High Energy Astrophysical Phenomena · Physics 2022-06-29 Kongjun Zhang , Longbiao Li , Zhibin Zhang , Qinmei Li , Juanjuan Luo , Min Jiang

Nearly 700 fast radio burst (FRB) sources have been detected till now, among which 29 FRBs are found to burst out repeatedly. Although a firm connection between at least some FRBs and magnetars has been established, the trigger mechanism…

High Energy Astrophysical Phenomena · Physics 2023-10-31 Chen-Ran Hu , Yong-Feng Huang

It is known that some observed gamma-ray bursts (GRBs) are produced at cosmological distances and that the GRB production rate may follow the star formation rate. We model the BATSE-detected intensity distribution of long GRBs in order to…

Astrophysics · Physics 2007-05-23 J. R. Lin , S. N. Zhang , T. P. Li

In this work we report the results of a nineteen-month Fast Radio Burst observational campaign carried out with the North-South arm of the Medicina Northern Cross radio telescope at 408~MHz in which we monitored four repeating sources:…

It is currently not known if repeating fast radio bursts (FRBs) are fundamentally different from those that have not been seen to repeat. One striking difference between repeaters and apparent non-repeaters in the CHIME sample is that the…

High Energy Astrophysical Phenomena · Physics 2020-07-29 L. Connor , M. C. Miller , D. W. Gardenier

We present a catalog of the redshift estimates and probability distributions for 1366 individual Long-duration Gamma-Ray Bursts (LGRBs) detected by the Burst And Transient Source Experiment (BATSE). This result is based on a careful…

High Energy Astrophysical Phenomena · Physics 2019-03-19 Amir Shahmoradi , Robert J. Nemiroff

Fast Radio Bursts (FRBs) are mysterious bursts in the millisecond timescale at radio wavelengths. Currently, there is little understanding about the classification of repeating FRBs, based on difference in physics, which is of great…

High Energy Astrophysical Phenomena · Physics 2023-07-12 Bjorn Jasper R. Raquel , Tetsuya Hashimoto , Tomotsugu Goto , Bo Han Chen , Yuri Uno , Tiger Yu-Yang Hsiao , Seong Jin Kim , Simon C. -C. Ho

In almost any scenario for 'cosmological' gamma-ray bursts (and in many models where they originate in our own Galaxy), the initial energy density is so large that the resulting relativistic plasma expands with $v\sim c$ producing a blast…

Astrophysics · Physics 2009-10-22 P. Meszaros , M. J. Rees

Quashnock and Lamb (1993) defined a sub-sample of Gamma-ray Bursts (GRBs) from the publicly available BATSE database which shows clumping toward the galactic plane, and concluded that all GRBs are galactic in origin. The selection of these…

Astrophysics · Physics 2016-06-08 Robert E. Rutledge , Walter H. G. Lewin
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